Timm Oertel

2023

• Oertel T., Paat J., Weismantel R.:
  A colorful Steinitz Lemma with application to block-structured integer programs
  In: Mathematical Programming (2023)
  ISSN: 0025-5610
  DOI: 10.1007/s10107-023-01971-3
  BibTeX: Download

2021

• Aliev I., Averkov G., De Loera JA., Oertel T.:
  Sparse representation of vectors in lattices and semigroups
  In: Mathematical Programming (2021)
  ISSN: 0025-5610
  DOI: 10.1007/s10107-021-01657-8
  BibTeX: Download

2020

• Aliev I., Averkov G., De Loera JA., Oertel T.:
  Optimizing Sparsity over Lattices and Semigroups
  21st International Conference on Integer Programming and Combinatorial Optimization, IPCO 2020 (London, 08-06-2020 - 10-06-2020)
  In: Daniel Bienstock, Giacomo Zambelli (Hrsg.): Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 2020
  DOI: 10.1007/978-3-030-45771-6_4
  BibTeX: Download
• Aliev I., Henk M., Oertel T.:
  Distances to lattice points in knapsack polyhedra
  In: Mathematical Programming 182 (2020), S. 175-198
  ISSN: 0025-5610
  DOI: 10.1007/s10107-019-01392-1
  BibTeX: Download
• Oertel T., Paat J., Weismantel R.:
  The distributions of functions related to parametric integer optimization
  In: SIAM Journal on Applied Algebra and Geometry 4 (2020), S. 422-440
  ISSN: 2470-6566
  DOI: 10.1137/19M1275954
  BibTeX: Download

2019

• Oertel T., Paat J., Weismantel R.:
  Sparsity of Integer Solutions in the Average Case
  20th International Conference on Integer Programming and Combinatorial Optimization, IPCO 2019 (Ann Arbor, MI, 22-05-2019 - 24-05-2019)
  In: Andrea Lodi, Viswanath Nagarajan (Hrsg.): Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 2019
  DOI: 10.1007/978-3-030-17953-3_26
  BibTeX: Download

2018

• Aliev I., De Loera JA., Eisenbrand F., Oertel T., Weismantel R.:
  The support of integer optimal solutions
  In: SIAM Journal on Optimization 28 (2018), S. 2152-2157
  ISSN: 1052-6234
  DOI: 10.1137/17M1162792
  BibTeX: Download

2017

• Aliev I., De Loera JA., Oertel T., O'Neill C.:
  Sparse solutions of linear diophantine equations
  In: SIAM Journal on Applied Algebra and Geometry 1 (2017), S. 239-253
  ISSN: 2470-6566
  DOI: 10.1137/16M1083876
  BibTeX: Download
• Aliev I., Henk M., Oertel T.:
  Integrality gaps of integer knapsack problems
  19th International Conference on Integer Programming and Combinatorial Optimization, IPCO 2017 (Waterloo, ON, CAN, 26-06-2017 - 28-06-2017)
  In: Friedrich Eisenbrand, Jochen Koenemann (Hrsg.): Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 2017
  DOI: 10.1007/978-3-319-59250-3_3
  BibTeX: Download
• Basu A., Oertel T.:
  Centerpoints: A link between optimization and convex geometry
  In: SIAM Journal on Optimization 27 (2017), S. 866-889
  ISSN: 1052-6234
  DOI: 10.1137/16M1092908
  BibTeX: Download

2016

• Artmann S., Eisenbrand F., Glanzer C., Oertel T., Vempala S., Weismantel R.:
  A note on non-degenerate integer programs with small sub-determinants
  In: Operations Research Letters 44 (2016), S. 635-639
  ISSN: 0167-6377
  DOI: 10.1016/j.orl.2016.07.004
  BibTeX: Download
• Baes M., Oertel T., Weismantel R.:
  Duality for mixed-integer convex minimization
  In: Mathematical Programming 158 (2016), S. 547-564
  ISSN: 0025-5610
  DOI: 10.1007/s10107-015-0917-y
  BibTeX: Download
• Basu A., Oertel T.:
  Centerpoints: A link between optimization and convex geometry
  18th International Conference on Integer Programming and Combinatorial Optimization, IPCO 2016 (Liege, BEL, 01-06-2016 - 03-06-2016)
  In: Martin Skutella, Quentin Louveaux (Hrsg.): Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 2016
  DOI: 10.1007/978-3-319-33461-5_2
  BibTeX: Download

2015

• Adjiashvili D., Oertel T., Weismantel R.:
  A polyhedral frobenius theorem with applications to integer optimization
  In: SIAM Journal on Discrete Mathematics 29 (2015), S. 1287-1302
  ISSN: 0895-4801
  DOI: 10.1137/14M0973694
  BibTeX: Download
• Hildebrand R., Oertel T., Weismantel R.:
  Note on the complexity of the mixed-integer hull of a polyhedron
  In: Operations Research Letters 43 (2015), S. 279-282
  ISSN: 0167-6377
  DOI: 10.1016/j.orl.2015.03.002
  BibTeX: Download

2014

• Oertel T., Wagner C., Weismantel R.:
  Integer convex minimization by mixed integer linear optimization
  In: Operations Research Letters 42 (2014), S. 424-428
  ISSN: 0167-6377
  DOI: 10.1016/j.orl.2014.07.005
  BibTeX: Download

2013

• Baes M., Oertel T., Wagner C., Weismantel R.:
  Mirror-descent methods in mixed-integer convex optimization
  In: Michael Jünger, Gerhard Reinelt (Hrsg.): Facets of Combinatorial Optimization, Berlin, Heidelberg: Springer-Verlag, 2013, S. 101-131
  ISBN: 9783642381898
  DOI: 10.1007/978-3-642-38189-8_5
  BibTeX: Download